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    <meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'">
    <title>Web Serial API</title>
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    <h1>Web Serial API</h1>

    <button id="clickme">Test Web Serial API</button>

    <p>Matching Arduino Uno device: <strong id="device-name""></strong></p>

    <script src="./renderer.js"></script>
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